[syzbot] [media?] INFO: trying to register non-static key in as102_stream_ctrl

[syzbot] [media?] INFO: trying to register non-static key in as102_stream_ctrl

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit:    075b74841bd0 Linux 7.2-rc6
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=133e8cc6580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=cb17729fb04b1e3a
dashboard link: https://syzkaller.appspot.com/bug?extid=2a3de29133b40e8f69f3
compiler:       Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/678e77cc37b9/disk-075b7484.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/cc9f771e7069/vmlinux-075b7484.xz
kernel image: https://storage.googleapis.com/syzbot-assets/71a5d4620b85/bzImage-075b7484.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2a3de29133b40e8f69f3@syzkaller.appspotmail.com

INFO: trying to register non-static key.
The code is fine but needs lockdep annotation, or maybe
you didn't initialize this object before use?
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 8032 Comm: syz.4.881 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 assign_lock_key+0x133/0x150 kernel/locking/lockdep.c:984
 register_lock_class+0xcc/0x2e0 kernel/locking/lockdep.c:1299
 __lock_acquire+0xab/0x2ce0 kernel/locking/lockdep.c:5112
 lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5868
 __mutex_lock_common kernel/locking/rtmutex_api.c:559 [inline]
 mutex_lock_interruptible_nested+0x5a/0x1d0 kernel/locking/rtmutex_api.c:592
 as102_stream_ctrl+0x27/0xc0 drivers/media/usb/as102/as102_drv.c:259
 dvb_frontend_open+0x7eb/0x1410 drivers/media/dvb-core/dvb_frontend.c:2825
 dvb_device_open+0x258/0x350 drivers/media/dvb-core/dvbdev.c:109
 chrdev_open+0x4dc/0x600 fs/char_dev.c:411
 do_dentry_open+0x849/0x1420 fs/open.c:947
 vfs_open+0x3b/0x350 fs/open.c:1052
 do_open fs/namei.c:4700 [inline]
 path_openat+0x2e60/0x3850 fs/namei.c:4863
 do_file_open+0x23e/0x4a0 fs/namei.c:4892
 do_sys_openat2+0x115/0x200 fs/open.c:1368
 do_sys_open fs/open.c:1374 [inline]
 __do_sys_openat fs/open.c:1390 [inline]
 __se_sys_openat fs/open.c:1385 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1385
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5093cae84e
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007f50916bdb28 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f50916be6c0 RCX: 00007f5093cae84e
RDX: 0000000000000802 RSI: 00007f50916bdc00 RDI: ffffffffffffff9c
RBP: 00007f50916bdc00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: cccccccccccccccd
R13: 00007f5093f763f8 R14: 00007f5093f76360 R15: 00007ffc19dbf768
 </TASK>


---
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Re: [syzbot] [media?] INFO: trying to register non-static key in as102_stream_ctrl

[syzbot]

syzbot has found a reproducer for the following issue on:

HEAD commit:    0d8395707651 Merge tag 'soc-fixes-7.2-2' of git://git.kern..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=14458e49580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=cb17729fb04b1e3a
dashboard link: https://syzkaller.appspot.com/bug?extid=2a3de29133b40e8f69f3
compiler:       Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16e3bcc6580000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/e2598164f27a/disk-0d839570.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/20273f2393d5/vmlinux-0d839570.xz
kernel image: https://storage.googleapis.com/syzbot-assets/8ad5a994ee24/bzImage-0d839570.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2a3de29133b40e8f69f3@syzkaller.appspotmail.com

INFO: trying to register non-static key.
The code is fine but needs lockdep annotation, or maybe
you didn't initialize this object before use?
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 6396 Comm: syz.0.92 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 assign_lock_key+0x133/0x150 kernel/locking/lockdep.c:984
 register_lock_class+0xcc/0x2e0 kernel/locking/lockdep.c:1299
 __lock_acquire+0xab/0x2ce0 kernel/locking/lockdep.c:5112
 lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5868
 __mutex_lock_common kernel/locking/rtmutex_api.c:559 [inline]
 mutex_lock_interruptible_nested+0x5a/0x1d0 kernel/locking/rtmutex_api.c:592
 as102_stream_ctrl+0x27/0xc0 drivers/media/usb/as102/as102_drv.c:259
 dvb_frontend_open+0x7eb/0x1410 drivers/media/dvb-core/dvb_frontend.c:2825
 dvb_device_open+0x258/0x350 drivers/media/dvb-core/dvbdev.c:109
 chrdev_open+0x4dc/0x600 fs/char_dev.c:411
 do_dentry_open+0x849/0x1420 fs/open.c:947
 vfs_open+0x3b/0x350 fs/open.c:1052
 do_open fs/namei.c:4700 [inline]
 path_openat+0x2e60/0x3850 fs/namei.c:4863
 do_file_open+0x23e/0x4a0 fs/namei.c:4892
 do_sys_openat2+0x115/0x200 fs/open.c:1368
 do_sys_open fs/open.c:1374 [inline]
 __do_sys_openat fs/open.c:1390 [inline]
 __se_sys_openat fs/open.c:1385 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1385
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f17899ae90e
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007f1788fc9b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f1788fca6c0 RCX: 00007f17899ae90e
RDX: 0000000000000802 RSI: 00007f1788fc9c00 RDI: ffffffffffffff9c
RBP: 00007f1788fc9c00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: cccccccccccccccd
R13: 00007f1789c763f8 R14: 00007f1789c76360 R15: 00007ffcf12b1158
 </TASK>


---
If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.

Re: [syzbot] [media?] INFO: trying to register non-static key in as102_stream_ctrl

[syzbot]

syzbot has found a reproducer for the following issue on:

HEAD commit:    d58772d8520c Merge tag 'regmap-fix-v7.2-rc7' of git://git...
git tree:       upstream
console+strace: https://syzkaller.appspot.com/x/log.txt?x=177da879580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=158601bb8cb292dd
dashboard link: https://syzkaller.appspot.com/bug?extid=2a3de29133b40e8f69f3
compiler:       Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15ba92c6580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=11397879580000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/1cadbedb5362/disk-d58772d8.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/227925db8202/vmlinux-d58772d8.xz
kernel image: https://storage.googleapis.com/syzbot-assets/23ed8848c469/bzImage-d58772d8.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2a3de29133b40e8f69f3@syzkaller.appspotmail.com

INFO: trying to register non-static key.
The code is fine but needs lockdep annotation, or maybe
you didn't initialize this object before use?
turning off the locking correctness validator.
CPU: 0 UID: 0 PID: 7688 Comm: syz-executor247 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 assign_lock_key+0x133/0x150 kernel/locking/lockdep.c:984
 register_lock_class+0xcc/0x2e0 kernel/locking/lockdep.c:1299
 __lock_acquire+0xab/0x2ce0 kernel/locking/lockdep.c:5112
 lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5868
 __mutex_lock_common kernel/locking/rtmutex_api.c:559 [inline]
 mutex_lock_interruptible_nested+0x5a/0x1d0 kernel/locking/rtmutex_api.c:592
 as102_stream_ctrl+0x27/0xc0 drivers/media/usb/as102/as102_drv.c:259
 dvb_frontend_open+0x7eb/0x1410 drivers/media/dvb-core/dvb_frontend.c:2825
 dvb_device_open+0x258/0x350 drivers/media/dvb-core/dvbdev.c:109
 chrdev_open+0x4dc/0x600 fs/char_dev.c:411
 do_dentry_open+0x849/0x1420 fs/open.c:947
 vfs_open+0x3b/0x350 fs/open.c:1052
 do_open fs/namei.c:4700 [inline]
 path_openat+0x2e60/0x3850 fs/namei.c:4863
 do_file_open+0x23e/0x4a0 fs/namei.c:4892
 do_sys_openat2+0x115/0x200 fs/open.c:1368
 do_sys_open fs/open.c:1374 [inline]
 __do_sys_openat fs/open.c:1390 [inline]
 __se_sys_openat fs/open.c:1385 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1385
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7c03271f8e
Code: 08 0f 85 65 e1 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 90 41 57 41 56 4d 89 c6 41 55 4d 89 cd 41 54 55 53 48 83 ec 08
RSP: 002b:00007f7c031acd08 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f7c031ad6c0 RCX: 00007f7c03271f8e
RDX: 0000000000000802 RSI: 00007f7c031acdc0 RDI: ffffffffffffff9c
RBP: 00007f7c031acdc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: cccccccccccccccd
R13: 0000200000000100 R14: 00002000000004c4 R15: 00002000000004c0
 </TASK>


---
If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.

Forwarded: [PATCH] test

[syzbot]

For archival purposes, forwarding an incoming command email to
linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com.

***

Subject: [PATCH] test
Author: adrianox@gmail.com

#syz test
---
 drivers/media/usb/as102/as102_drv.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/media/usb/as102/as102_drv.c b/drivers/media/usb/as102/as102_drv.c
index 6b1d3528a0a7..a6dd675689f5 100644
--- a/drivers/media/usb/as102/as102_drv.c
+++ b/drivers/media/usb/as102/as102_drv.c
@@ -287,6 +287,12 @@ int as102_dvb_register(struct as102_dev_t *as102_dev)
 	struct device *dev = &as102_dev->bus_adap.usb_dev->dev;
 	int ret;
 
+	/* init bus mutex for token locking */
+	mutex_init(&as102_dev->bus_adap.lock);
+
+	/* init start / stop stream mutex */
+	mutex_init(&as102_dev->sem);
+
 	ret = dvb_register_adapter(&as102_dev->dvb_adap,
 			   as102_dev->name, THIS_MODULE,
 			   dev, adapter_nr);
@@ -341,12 +347,6 @@ int as102_dvb_register(struct as102_dev_t *as102_dev)
 		goto efereg;
 	}
 
-	/* init bus mutex for token locking */
-	mutex_init(&as102_dev->bus_adap.lock);
-
-	/* init start / stop stream mutex */
-	mutex_init(&as102_dev->sem);
-
 	/*
 	 * try to load as102 firmware. If firmware upload failed, we'll be
 	 * able to upload it later.
-- 
2.51.0

Forwarded: Patch test

[syzbot]

For archival purposes, forwarding an incoming command email to
linux-kernel@vger.kernel.org.

***

Subject: Patch test
Author: jeffinphilip14@gmail.com

#syz test

--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -714,7 +714,7 @@ static void request_wait_answer(struct fuse_req *req)
                        queue_interrupt(req);
        }

-       if (!test_bit(FR_FORCE, &req->flags)) {
+       if (!test_bit(FR_FORCE, &req->flags) ||
unlikely(fatal_event_pending(current))) {
                bool removed;

                /* Only fatal signals may interrupt this */